
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
}

/* 导航栏 */
.nav-bar {
    position: fixed;
    top: 0;
    width: 100%;
    background: #fff;
    padding: 12px 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    z-index: 100;
}
.nav-link {
    color: #18191C;
    text-decoration: none;
    margin-right: 32px;
    font-size: 14px;
}

/* 悬停时的样式 */
.nav-link:hover {
    color: skyblue;
}

/* 选中（激活）时的样式 */
.nav-link:focus {
    color: skyblue;
}

/* 主体内容 */
.main-content {
    margin-top: 60px;
    padding: 20px;
    max-width: 1500px;
    margin-left: auto;
    margin-right: auto;
}

/* 筛选区域 */
.filter-group {
    display: flex;
    gap: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid #eee;
}
.filter-tag {
    padding: 6px 12px;
    border-radius: 6px;
    color: #61666D;
    text-decoration: none;
    background-color: gainsboro;
}
.filter-tag:focus {
    color: skyblue;
}

.filter-tag:hover {
    color: skyblue;
}

/* 排序选项 */
.sort-group {
    display: flex;
    gap: 24px;
    margin: 16px 0;
}
.sort-item {
    text-decoration: none;
    color: gray;
}

.sort-item:hover{
    color: skyblue;
}

.sort-item:focus{
    color: skyblue;
}

/* UP主信息 */
.creator-card {
    display: flex;
    gap: 16px;
    padding: 16px;
    background: #fff;
    border-radius: 8px;
    margin: 16px 0;
}
.avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #eee;
}
.follow-btn {
    background: #00AEEC;
    color: white;
    border: none;
    padding: 6px 16px;
    border-radius: 6px;
    cursor: pointer;
}

/* 视频列表 */
#up-video{
    display: flex;

}
.video-item {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 16px;
    border-bottom: 1px solid #eee;
}
#relative-video{
    display: flex;
    flex-wrap: wrap;
    margin-top: 50px;
}
.re-video-item {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 16px;
    border-bottom: 1px solid #eee;

}
.video-thumb {
    width: 208px;
    height: 106px;
    background: #eee;
    border-radius: 4px;
}
.re-video-thumb {
    width: 320px;
    height: 160px;
    background: #eee;
    border-radius: 4px;
    border-radius: 5%;
}

.video-text{
    width: 208px;
    font-size: small;
}
